from apollo_utils.service.schemas.fields.list import SplitUniqueListField
from marshmallow import fields, validate

from server.constants.delphi.videos.only import VideosOnly


class DelphiVideoAnalyticsOnlyMixin:
    """Include like filter for result fields."""

    only = SplitUniqueListField(
        fields.String(required=True, validate=validate.OneOf(VideosOnly.ALL_FIELDS)), required=False
    )